Triterpenoid Saponins from Vaccaria segetalis

• 来源期刊: 中国化学（英文版）
• 学科: 化学
• 年，卷（期）: 2001,（6）
• 页码范围: 606-611
• 页数: 6页
• 分类号: O6
• 语种: 英文

摘要

Four novel triterpenoid saponins, Vaccariside B-E (1-4), were isolated from the seeds of Vaccaaria segetalis and their structures were elucidated as 3-O-β-D-galactopyranosyl-(1- 2)-β-D-glucuronopyranosyl quillaic acid 28-O-β-D-xylopyra hosyl-( 1-3 )-α-Lrhamno-pyranosyl-( 1-2 )-[α-L-arabinofura nosyl-(1-3)]-4-O-acetyl-β-D-fucopyranoside (1), 3-O-β-D- galactopyranosyl - ( 1- 2 ) - 3- O - acetyl- β- D - glucuronopyranosyl quillaic acid 28-O-β-D-xylopyranosyl(1-3)-α-L-rhamnopyra nosyl-( 1-2 )-[ α-L-arabinofuranosyl( 1-3 )]-4-O-acetyl-β-D- fucopyranoside (2), 3-O-β-D-galactopyranosyl(1-2 )-β-D- glucuronopyranosyl quillaic acid 28- O-α-L-arabinopyranosyl (1-3) -α-L-rhamnopyranosyl- (1-2) - [ α- L-arabinofuranosyl-(1- 3)]-4-O-acetyl-β-D-fucopyranoside (3), 3-O-β-D-galacto pyranosyl-( 1-2 )-[ β-D-xylopyranosyl- ( 1-3 ) ]-β-D-glucurono pyranosyl quillaic acid 28-O-β-D-xylopyranosyl- (1-3 )-α- L- rhamnopyranosyl-( 1-2 )-[ α- L-arabinofuranosyl- ( 1-3 ) ]-4-O- acetyl-β-D-fucopyranoside (4), respectively.